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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET1/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
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Uczeń wyjaśnia, kiedy kolejka blokuje sendera lub receivera, oraz dowodzi, że FreeRTOS kopiuje stałą liczbę bajtów do własnego storage.

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Kolejka długości 1 przenosi M1, M2 i M3. Receiver blokuje się na pustej kolejce, sender na pełnej. Po wysłaniu M2 źródło zmienia się na 0xDEAD, lecz receiver odbiera niezmienione 0x2222. Verifier sprawdza FIFO, publiczny stan eBlocked, osobne stosy i digest dziesięciu zdarzeń.

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xQueueSend, xQueueReceive, wait lists i ownership danych

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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET2/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [], "assets": [ { "label": "fig:a2-structure", "logical_label": "fig:a2-structure", "figure_number": 1, "caption": "A2 STRUCTURE — message, queue i trzy taski. — część 1/1 (r1 c1)", "alt": "Struktura eksperymentu kolejki.", "href": "figures/a2-structure.svg", "source_href": "figures/a2-structure.puml", "width": 1.0, "kind": "diagram", "interactive": { "kind": "uml-class", "storage_key": "fc05-a2-structure-tile-1", "title": "A2 · struktura kolejki", "task": { "id": "task01", "label": "Task01 · queue i FIFO" }, "block": { "id": "a2", "label": "A2 STRUCTURE", "description": "QueueMessage, Queue<1>, trzy taski i bounded evidence." }, "phases": [ { "id": "structure", "label": "MESSAGE / QUEUE / TASKS", "steps": [ { "id": "message", "number": 1, "label": "fixed-size value message", "mode": "CODE", "strategy_ref": "code.queue-contract", "svg_label": "01", "code_ref": "include/task01_queue_model.h:7", "description": "Trzy pola tworzą payload kopiowany bajtowo.", "evidence": "sizeof i checksum.", "strategy": { "id": "task01/a2/structure/message", "kind": "code", "action": "open", "expected_observations": [ "item size jest stały", "storage kolejki nie jest buforem źródłowym" ], "assertions": [ "length=1", "payload ma checksum" ], "evidence_fields": [ "code_ref", "typ", "rozmiar" ], "prerequisites": [ "źródło FC05" ], "layout": [ "QueueMessage", "QueueExperiment", "FreeRTOSConfig" ], "commands": [ "rg -n 'QueueMessage|FC05_QUEUE_LENGTH|xQueueCreate' include src" ], "template_id": "code.queue-contract" } }, { "id": "queue", "number": 2, "label": "queue owns one item slot", "mode": "CODE", "strategy_ref": "code.queue-contract", "svg_label": "02", "code_ref": "src/tasks/task01_queue.c:267", "description": "Length=1 ujawnia oba rodzaje blokowania.", "evidence": "xQueueCreate(1,sizeof message).", "strategy": { "id": "task01/a2/structure/queue", "kind": "code", "action": "open", "expected_observations": [ "item size jest stały", "storage kolejki nie jest buforem źródłowym" ], "assertions": [ "length=1", "payload ma checksum" ], "evidence_fields": [ "code_ref", "typ", "rozmiar" ], "prerequisites": [ "źródło FC05" ], "layout": [ "QueueMessage", "QueueExperiment", "FreeRTOSConfig" ], "commands": [ "rg -n 'QueueMessage|FC05_QUEUE_LENGTH|xQueueCreate' include src" ], "template_id": "code.queue-contract" } }, { "id": "receiver", "number": 3, "label": "higher receiver waits on empty", "mode": "RUN", "event_id": "E02", "strategy_ref": "run.queue-state", "svg_label": "03", "code_ref": "src/tasks/task01_queue.c:91", "snapshot_ref": "task01.receiver-empty", "description": "Receiver nie wykonuje polling.", "evidence": "queue empty, receiver blocks.", "strategy": { "id": "task01/a2/structure/receiver", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "sender", "number": 4, "label": "sender waits on full", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "04", "code_ref": "src/tasks/task01_queue.c:173", "snapshot_ref": "task01.sender-blocked", "description": "M3 czeka na zwolnienie slotu.", "evidence": "sender eBlocked.", "strategy": { "id": "task01/a2/structure/sender", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "verifier", "number": 5, "label": "low verifier checks invariants", "mode": "RUN", "event_id": "E10", "strategy_ref": "run.pass", "svg_label": "05", "code_ref": "src/tasks/task01_queue.c:220", "snapshot_ref": "task01.pass", "description": "PASS powstaje po obu taskach roboczych.", "evidence": "FIFO, copy, states, digest.", "strategy": { "id": "task01/a2/structure/verifier", "kind": "run", "action": "replay", "expected_observations": [ "1/2/3", "PASS=1", "10 committed records" ], "assertions": [ "digest jest stabilny w trzech procesach", "verifier ma najniższy priorytet" ], "evidence_fields": [ "PASS", "digest", "source blob", "ELF hash", "timestamp" ], "prerequisites": [ "sender i receiver zakończone" ], "layout": [ "FIFO", "bounded evidence", "digest" ], "commands": [ "print g_fc05_pass", "print 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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET3/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [], "assets": [ { "label": "fig:a5-flow", "logical_label": "fig:a5-flow", "figure_number": 2, "caption": "A5 FLOW — trzy komunikaty przez kolejkę długości 1. — część 1/1 (r1 c1)", "alt": "Sekwencja receiver, queue, sender i verifier.", "href": "figures/a5-flow.svg", "source_href": "figures/a5-flow.puml", "width": 1.0, "kind": "diagram", "interactive": { "kind": "uml-sequence", "storage_key": "fc05-a5-flow-tile-1", "title": "A5 · empty/full/FIFO", "task": { "id": "task01", "label": "Task01 · queue i FIFO" }, "block": { "id": "a5", "label": "A5 FLOW", "description": "Jeden deterministyczny przebieg E01–E10." }, "phases": [ { "id": "replay", "label": "EMPTY / FULL / COPY / PASS", "steps": [ { "id": "config", "number": 1, "label": "configuration committed", "mode": "RUN", "event_id": "E01", "strategy_ref": "run.queue-state", "svg_label": "01", "code_ref": "src/tasks/task01_queue.c:265", "snapshot_ref": "task01.config", "description": "RAM i evidence zaczynają od zera.", "evidence": "count=1 przed create.", "strategy": { "id": "task01/a5/replay/config", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "empty", "number": 2, "label": "receiver reaches empty receive", "mode": "RUN", "event_id": "E02", "strategy_ref": "run.queue-state", "svg_label": "02", "code_ref": "src/tasks/task01_queue.c:89", "snapshot_ref": "task01.receiver-empty", "description": "Kolejne API przeniesie task do Blocked.", "evidence": "occupancy=0.", "strategy": { "id": "task01/a5/replay/empty", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "send1", "number": 3, "label": "sender publishes M1", "mode": "RUN", "event_id": "E03", "strategy_ref": "run.queue-state", "svg_label": "03", "code_ref": "src/tasks/task01_queue.c:153", "snapshot_ref": "task01.send-m1", "description": "Send budzi wyższego receivera.", "evidence": "sender SP i M1.", "strategy": { "id": "task01/a5/replay/send1", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "recv1", "number": 4, "label": "receiver obtains M1", "mode": "RUN", "event_id": "E04", "strategy_ref": "run.queue-state", "svg_label": "04", "code_ref": "src/tasks/task01_queue.c:97", "snapshot_ref": "task01.receive-m1", "description": "Handoff następuje przed dalszym kodem sendera.", "evidence": "M1=0x1111.", "strategy": { "id": "task01/a5/replay/recv1", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "mutate", "number": 5, "label": "M2 stored, source mutated", "mode": "RUN", "event_id": "E05", "strategy_ref": "run.byte-copy", "svg_label": "05", "code_ref": "src/tasks/task01_queue.c:164", "snapshot_ref": "task01.mutated-source", "description": "Queue storage zachowuje poprzednie bajty.", "evidence": "source=0xDEAD, occupancy=1.", "strategy": { "id": "task01/a5/replay/mutate", "kind": "run", "action": "replay", "expected_observations": [ "source=0xDEAD", "received M2=0x2222" ], "assertions": [ "checksum M2 poprawny", "adresy storage są różne" ], "evidence_fields": [ "source payload", "received payload", "checksum" ], "prerequisites": [ "M2 znajduje się w queue storage" ], "layout": [ "mutated source", "queue storage", "received M2" ], "commands": [ "print g_fc05.mutated_source", "print g_fc05.received[1]" ], "template_id": "run.byte-copy" } }, { "id": "full", "number": 6, "label": "sender blocked with M3", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "06", "code_ref": "src/tasks/task01_queue.c:103", "snapshot_ref": "task01.sender-blocked", "description": "Receiver obserwuje publiczny stan.", "evidence": "eBlocked i one item.", "strategy": { "id": "task01/a5/replay/full", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "recv2", "number": 7, "label": "receiver gets copied M2", "mode": "RUN", "event_id": "E07", "strategy_ref": "run.byte-copy", "svg_label": "07", "code_ref": "src/tasks/task01_queue.c:118", "snapshot_ref": "task01.receive-m2", "description": "Mutacja źródła nie zmienia queue storage.", "evidence": "M2=0x2222.", "strategy": { "id": "task01/a5/replay/recv2", "kind": "run", "action": "replay", "expected_observations": [ "source=0xDEAD", "received M2=0x2222" ], "assertions": [ "checksum M2 poprawny", "adresy storage są różne" ], "evidence_fields": [ "source payload", "received payload", "checksum" ], "prerequisites": [ "M2 znajduje się w queue storage" ], "layout": [ "mutated source", "queue storage", "received M2" ], "commands": [ "print g_fc05.mutated_source", "print g_fc05.received[1]" ], "template_id": "run.byte-copy" } }, { "id": "recv3", "number": 8, "label": "receiver gets FIFO M3", "mode": "RUN", "event_id": "E08", "strategy_ref": "run.queue-state", "svg_label": "08", "code_ref": "src/tasks/task01_queue.c:129", "snapshot_ref": "task01.receive-m3", "description": "Zwolniony sender kończy send.", "evidence": "M3=0x3333.", "strategy": { "id": "task01/a5/replay/recv3", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "sender-done", "number": 9, "label": "sender completes after unblock", "mode": "RUN", "event_id": "E09", "strategy_ref": "run.queue-state", "svg_label": "09", "code_ref": "src/tasks/task01_queue.c:177", "snapshot_ref": "task01.sender-finished", "description": "Publikacja następuje przed self-delete.", "evidence": "nine committed events.", "strategy": { "id": "task01/a5/replay/sender-done", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "pass", "number": 10, "label": "verifier commits PASS", "mode": "RUN", "event_id": "E10", "strategy_ref": "run.pass", "svg_label": "10", "code_ref": "src/tasks/task01_queue.c:228", "snapshot_ref": "task01.pass", "description": "Najniższy priorytet sprawdza całość.", "evidence": "PASS=1 i digest.", "strategy": { "id": "task01/a5/replay/pass", "kind": "run", "action": "replay", "expected_observations": [ "1/2/3", "PASS=1", "10 committed records" ], "assertions": [ "digest jest stabilny w trzech procesach", "verifier ma najniższy priorytet" ], "evidence_fields": [ "PASS", "digest", "source blob", "ELF hash", "timestamp" ], "prerequisites": [ "sender i receiver zakończone" ], "layout": [ "FIFO", "bounded evidence", "digest" ], "commands": [ "print g_fc05_pass", "print g_fc05.evidence_digest" ], "template_id": "run.pass" } } ] } ] }, "tile": { "index": 1, "count": 1, "row": 1, "column": 1, "rows": 1, "columns": 1, "x": 0.0, "y": 0.0, "width": 799.0, "height": 530.0, "full_x": 0.0, "full_y": 0.0, "full_width": 799.0, "full_height": 530.0, "page_width": 940.0, "page_height": 560.0, "overview": true, "step_ids": [ "config", "empty", "full", "mutate", "pass", "recv1", "recv2", "recv3", "send1", "sender-done" ] }, "diagram_title": "A5 · empty/full/FIFO", "diagram_block_label": "A5 FLOW", "diagram_description": "Jeden deterministyczny przebieg E01–E10.", "diagram_phase_labels": [ "EMPTY / FULL / COPY / PASS" ] } ], "steps": [], "spread_group": "", "spread_label": "A5 FLOW — trzy komunikaty przez kolejkę długości 1.", "spread_columns": 1, "spread_index": 1, "spread_count": 1, "page_orientation": "landscape" }, { "id": "section-3-content", "index": 3, "title": "A6 — State", "show_heading": false, "toc_entry": true, "header_html": "
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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET4/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [], "assets": [ { "label": "fig:a6-state", "logical_label": "fig:a6-state", "figure_number": 3, "caption": "A6 STATE — EMPTY, FULL, handoff i FIFO. — część 1/1 (r1 c1)", "alt": "Maszyna stanów kolejki długości 1.", "href": "figures/a6-state.svg", "source_href": "figures/a6-state.puml", "width": 1.0, "kind": "diagram", "interactive": { "kind": "uml-class", "storage_key": "fc05-a6-state-tile-1", "title": "A6 · occupancy i task state", "task": { "id": "task01", "label": "Task01 · queue i FIFO" }, "block": { "id": "a6", "label": "A6 STATE", "description": "Occupancy kolejki jako przyczyna Blocked i Ready." }, "phases": [ { "id": "state", "label": "OCCUPANCY / WAIT LISTS", "steps": [ { "id": "empty", "number": 1, "label": "EMPTY blocks receiver", "mode": "RUN", "event_id": "E02", "strategy_ref": "run.queue-state", "svg_label": "01", "code_ref": "src/tasks/task01_queue.c:91", "snapshot_ref": "task01.receiver-empty", "description": "Brak itemu jest przyczyną blokady.", "evidence": "occupancy=0.", "strategy": { "id": "task01/a6/state/empty", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "full", "number": 2, "label": "FULL blocks sender", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "02", "code_ref": "src/tasks/task01_queue.c:173", "snapshot_ref": "task01.sender-blocked", "description": "Brak slotu jest przyczyną blokady.", "evidence": "occupancy=1, eBlocked.", "strategy": { "id": "task01/a6/state/full", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "handoff", "number": 3, "label": "receive frees slot and sender", "mode": "RUN", "event_id": "E07", "strategy_ref": "run.queue-state", "svg_label": "03", "code_ref": "src/tasks/task01_queue.c:112", "snapshot_ref": "task01.receive-m2", "description": "Wait list sendera staje się Ready.", "evidence": "M2 opuszcza storage.", "strategy": { "id": "task01/a6/state/handoff", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "done", "number": 6, "label": "FIFO trace is complete", "mode": "RUN", "event_id": "E10", "strategy_ref": "run.pass", "svg_label": "06", "code_ref": "src/tasks/task01_queue.c:220", "snapshot_ref": "task01.pass", "description": "Verifier widzi 1,2,3.", "evidence": "PASS=1.", "strategy": { "id": "task01/a6/state/done", "kind": "run", "action": "replay", "expected_observations": [ "1/2/3", "PASS=1", "10 committed records" ], "assertions": [ "digest jest stabilny w trzech procesach", "verifier ma najniższy priorytet" ], "evidence_fields": [ "PASS", "digest", "source blob", "ELF hash", "timestamp" ], "prerequisites": [ "sender i receiver zakończone" ], "layout": [ "FIFO", "bounded evidence", "digest" ], "commands": [ "print g_fc05_pass", "print g_fc05.evidence_digest" ], "template_id": "run.pass" } } ] } ] }, "tile": { "index": 1, "count": 1, "row": 1, "column": 1, "rows": 1, "columns": 1, "x": 0.0, "y": 0.0, "width": 895.0, "height": 104.0, "full_x": 0.0, "full_y": 0.0, "full_width": 895.0, "full_height": 104.0, "page_width": 940.0, "page_height": 560.0, "overview": true, "step_ids": [ "done", "empty", "full", "handoff" ] }, "diagram_title": "A6 · occupancy i task state", "diagram_block_label": "A6 STATE", "diagram_description": "Occupancy kolejki jako przyczyna Blocked i Ready.", "diagram_phase_labels": [ "OCCUPANCY / WAIT LISTS" ] } ], "steps": [], "spread_group": "", "spread_label": "A6 STATE — EMPTY, FULL, handoff i FIFO.", "spread_columns": 1, "spread_index": 1, "spread_count": 1, "page_orientation": "landscape" }, { "id": "section-4-content", "index": 4, "title": "A7 — Runtime", "show_heading": false, "toc_entry": true, "header_html": "
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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET5/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [], "assets": [ { "label": "fig:a7-runtime", "logical_label": "fig:a7-runtime", "figure_number": 4, "caption": "A7 RUNTIME — sender Blocked na pełnej kolejce. — część 1/1 (r1 c1)", "alt": "Runtime snapshot E06.", "href": "figures/a7-runtime.svg", "source_href": "figures/a7-runtime.puml", "width": 1.0, "kind": "diagram", "interactive": { "kind": "uml-class", "storage_key": "fc05-a7-runtime-tile-1", "title": "A7 · full queue snapshot", "task": { "id": "task01", "label": "Task01 · queue i FIFO" }, "block": { "id": "a7", "label": "A7 RUNTIME", "description": "Pełna kolejka, dwa TCB i dwa różne obszary pamięci." }, "phases": [ { "id": "runtime", "label": "TCB / QUEUE / STACK / STORAGE", "steps": [ { "id": "experiment", "number": 1, "label": "experiment stores public evidence", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "01", "code_ref": "src/tasks/task01_queue.c:103", "snapshot_ref": "task01.sender-blocked", "description": "Aplikacja nie czyta prywatnego TCB.", "evidence": "eBlocked i waiting=1.", "strategy": { "id": "task01/a7/runtime/experiment", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "queue", "number": 2, "label": "queue storage owns M2", "mode": "RUN", "event_id": "E05", "strategy_ref": "run.byte-copy", "svg_label": "02", "code_ref": "src/tasks/task01_queue.c:160", "snapshot_ref": "task01.mutated-source", "description": "Queue zawiera kopię sprzed mutacji.", "evidence": "queued M2=0x2222.", "strategy": { "id": "task01/a7/runtime/queue", "kind": "run", "action": "replay", "expected_observations": [ "source=0xDEAD", "received M2=0x2222" ], "assertions": [ "checksum M2 poprawny", "adresy storage są różne" ], "evidence_fields": [ "source payload", "received payload", "checksum" ], "prerequisites": [ "M2 znajduje się w queue storage" ], "layout": [ "mutated source", "queue storage", "received M2" ], "commands": [ "print g_fc05.mutated_source", "print g_fc05.received[1]" ], "template_id": "run.byte-copy" } }, { "id": "sender", "number": 3, "label": "sender waits with pending M3", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "03", "code_ref": "src/tasks/task01_queue.c:173", "snapshot_ref": "task01.sender-blocked", "description": "PC pozostaje wewnątrz send path.", "evidence": "TCB state i sender SP.", "strategy": { "id": "task01/a7/runtime/sender", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "receiver", "number": 4, "label": "receiver runs on another stack", "mode": "RUN", "event_id": "E06", "strategy_ref": "run.queue-state", "svg_label": "04", "code_ref": "src/tasks/task01_queue.c:103", "snapshot_ref": "task01.sender-blocked", "description": "Receiver wykonuje obserwację.", "evidence": "receiver SP != sender SP.", "strategy": { "id": "task01/a7/runtime/receiver", "kind": "run", "action": "replay", "expected_observations": [ "receiver czeka na empty", "sender czeka na full" ], "assertions": [ "publiczny eTaskState=eBlocked", "uxMessagesWaiting=1" ], "evidence_fields": [ "event", "task state", "queue occupancy", "PC", "SP", "timestamp" ], "prerequisites": [ "Hazard3 online", "czysta RAM" ], "layout": [ "source", "queue object", "sender/receiver TCB", "event log" ], "commands": [ "print g_fc05", "print g_fc05_events", "print g_fc05_event_count" ], "template_id": "run.queue-state" } }, { "id": "source", "number": 5, "label": "source lifetime remains sender-owned", "mode": "RUN", "event_id": "E05", "strategy_ref": "run.byte-copy", "svg_label": "05", "code_ref": "src/tasks/task01_queue.c:164", "snapshot_ref": "task01.mutated-source", "description": "Zmiana źródła jest legalna po send.", "evidence": "payload=0xDEAD.", "strategy": { "id": "task01/a7/runtime/source", "kind": "run", "action": "replay", "expected_observations": [ "source=0xDEAD", "received M2=0x2222" ], "assertions": [ "checksum M2 poprawny", "adresy storage są różne" ], "evidence_fields": [ "source payload", "received payload", "checksum" ], "prerequisites": [ "M2 znajduje się w queue storage" ], "layout": [ "mutated source", "queue storage", "received M2" ], "commands": [ "print g_fc05.mutated_source", "print g_fc05.received[1]" ], "template_id": "run.byte-copy" } } ] } ] }, "tile": { "index": 1, "count": 1, "row": 1, "column": 1, "rows": 1, "columns": 1, "x": 0.0, "y": 0.0, "width": 895.0, "height": 130.0, "full_x": 0.0, "full_y": 0.0, "full_width": 895.0, "full_height": 130.0, "page_width": 940.0, "page_height": 560.0, "overview": true, "step_ids": [ "experiment", "queue", "receiver", "sender", "source" ] }, "diagram_title": "A7 · full queue snapshot", "diagram_block_label": "A7 RUNTIME", "diagram_description": "Pełna kolejka, dwa TCB i dwa różne obszary pamięci.", "diagram_phase_labels": [ "TCB / QUEUE / STACK / STORAGE" ] } ], "steps": [], "spread_group": "", "spread_label": "A7 RUNTIME — sender Blocked na pełnej kolejce.", "spread_columns": 1, "spread_index": 1, "spread_count": 1, "page_orientation": "landscape" }, { "id": "section-5-content", "index": 5, "title": "A8 — Patterns", "show_heading": false, "toc_entry": true, "header_html": "
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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET6/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [], "assets": [ { "label": "fig:a8-patterns", "logical_label": "fig:a8-patterns", "figure_number": 5, "caption": "A8 PATTERNS — value kontra pointer message. — część 1/1 (r1 c1)", "alt": "Porównanie ownership danych kolejki.", "href": "figures/a8-patterns.svg", "source_href": "figures/a8-patterns.puml", "width": 1.0, "kind": "diagram", "interactive": { "kind": "uml-class", "storage_key": "fc05-a8-patterns-tile-1", "title": "A8 · message ownership", "task": { "id": "task01", "label": "Task01 · queue i FIFO" }, "block": { "id": "a8", "label": "A8 PATTERNS", "description": "Jawny wybór value message albo pointer ownership." }, "phases": [ { "id": "ownership", "label": "VALUE / POINTER / CONTRACT", "steps": [ { "id": "value", "number": 1, "label": "value message owns copied bytes", "mode": "CODE", "strategy_ref": "code.queue-contract", "svg_label": "01", "code_ref": "include/task01_queue_model.h:7", "description": "Mały payload jest samowystarczalny.", "evidence": "checksum w itemie.", "strategy": { "id": "task01/a8/ownership/value", "kind": "code", "action": "open", "expected_observations": [ "item size jest stały", "storage kolejki nie jest buforem źródłowym" ], "assertions": [ "length=1", "payload ma checksum" ], "evidence_fields": [ "code_ref", "typ", "rozmiar" ], "prerequisites": [ "źródło FC05" ], "layout": [ "QueueMessage", "QueueExperiment", "FreeRTOSConfig" ], "commands": [ "rg -n 'QueueMessage|FC05_QUEUE_LENGTH|xQueueCreate' include src" ], "template_id": "code.queue-contract" } }, { "id": "pointer", "number": 2, "label": "pointer message copies address only", "mode": "CODE", "strategy_ref": "code.queue-contract", "svg_label": "02", "code_ref": "include/task01_queue_model.h:7", "description": "Alternatywa wymaga zewnętrznego lifetime.", "evidence": "Nie jest używana w FC05.", "strategy": { "id": "task01/a8/ownership/pointer", "kind": "code", "action": "open", "expected_observations": [ "item size jest stały", "storage kolejki nie jest buforem źródłowym" ], "assertions": [ "length=1", "payload ma checksum" ], "evidence_fields": [ "code_ref", "typ", "rozmiar" ], "prerequisites": [ "źródło FC05" ], "layout": [ "QueueMessage", "QueueExperiment", "FreeRTOSConfig" ], "commands": [ "rg -n 'QueueMessage|FC05_QUEUE_LENGTH|xQueueCreate' include src" ], "template_id": "code.queue-contract" } }, { "id": "contract", "number": 3, "label": "ownership must be explicit", "mode": "CODE", "strategy_ref": "code.queue-contract", "svg_label": "03", "code_ref": "doc/card-plan.md:1", "description": "API musi określić mutability i release.", "evidence": "Decyzja projektowa.", "strategy": { "id": "task01/a8/ownership/contract", "kind": "code", "action": "open", "expected_observations": [ "item size jest stały", "storage kolejki nie jest buforem źródłowym" ], "assertions": [ "length=1", "payload ma checksum" ], "evidence_fields": [ "code_ref", "typ", "rozmiar" ], "prerequisites": [ "źródło FC05" ], "layout": [ "QueueMessage", "QueueExperiment", "FreeRTOSConfig" ], "commands": [ "rg -n 'QueueMessage|FC05_QUEUE_LENGTH|xQueueCreate' include src" ], "template_id": "code.queue-contract" } }, { "id": "decision", "number": 4, "label": "FC05 chooses value message", "mode": "RUN", "event_id": "E07", "strategy_ref": "run.byte-copy", "svg_label": "04", "code_ref": "src/tasks/task01_queue.c:118", "snapshot_ref": "task01.receive-m2", "description": "Eksperyment dowodzi niezależności kopii.", "evidence": "0x2222 mimo 0xDEAD.", "strategy": { "id": "task01/a8/ownership/decision", "kind": "run", "action": "replay", "expected_observations": [ "source=0xDEAD", "received M2=0x2222" ], "assertions": [ "checksum M2 poprawny", "adresy storage są różne" ], "evidence_fields": [ "source payload", "received payload", "checksum" ], "prerequisites": [ "M2 znajduje się w queue storage" ], "layout": [ "mutated source", "queue storage", "received M2" ], "commands": [ "print g_fc05.mutated_source", "print g_fc05.received[1]" ], "template_id": "run.byte-copy" } } ] } ] }, "tile": { "index": 1, "count": 1, "row": 1, "column": 1, "rows": 1, "columns": 1, "x": 0.0, "y": 0.0, "width": 492.0, "height": 350.0, "full_x": 0.0, "full_y": 0.0, "full_width": 492.0, "full_height": 350.0, "page_width": 660.0, "page_height": 760.0, "overview": true, "step_ids": [ "contract", "decision", "pointer", "value" ] }, "diagram_title": "A8 · message ownership", "diagram_block_label": "A8 PATTERNS", "diagram_description": "Jawny wybór value message albo pointer ownership.", "diagram_phase_labels": [ "VALUE / POINTER / CONTRACT" ] } ], "steps": [], "spread_group": "", "spread_label": "A8 PATTERNS — value kontra pointer message.", "spread_columns": 1, "spread_index": 1, "spread_count": 1, "page_orientation": "portrait" }, { "id": "section-6-task01", "index": 6, "title": "Task01 — queue i FIFO", "show_heading": true, "toc_entry": true, "header_html": "
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TITLEKolejki: blokowanie, FIFO i kopiowanie wartości
VER.v00.01
DATETIME2026-07-19T00:00:00+02:00
PROJECTFreestanding C nad FreeRTOS
SERIESFreeRTOS C
CARD05/15
SHEET7/7
SUBJ.Inf.
PROG.—
CORE—
SCOPE—
LEVEL—
POS.—
GITEA UUID6ddb3c92-5612-5809-84cf-715d21c18bc6CARD UUID8ee8f36a-471b-51bc-97b8-e204bd541c61AUTHOR  M. Pabiszczak
GITEA  https://zsl-gitea.mpabi.pl/edu-freertos-c/lab-rv32i-freertos-c-queue
HTML  https://dce7fb9d-7b2f-5d49-96a2-3a30d3070b84.mpabi.pl/8ee8f36a-471b-51bc-97b8-e204bd541c61
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", "content_html": "", "tasks": [ { "ref": "task01", "title": "Kolejka długości 1: empty, full, copy i FIFO", "uuid": "8ee8f36a-471b-51bc-97b8-e204bd541c61", "criterion": "Program kończy się PASS; sender jest eBlocked na FULL; odbiór ma kolejność 1/2/3; M2 pozostaje 0x2222 po mutacji źródła; ślad i hashe są stabilne.", "conclusion_html": "

Queue occupancy jest przyczyną blokowania, priorytet steruje handoff, a queue storage zachowuje własną kopię itemu. Pointer payload wymagałby osobnego kontraktu ownership.

", "prompt_html": "

Przejdź po A2, A5, A6, A7 i A8. Odtwórz E01–E10, wskaż dwa różne wait lists i udowodnij byte-copy M2.

", "flow": [ { "id": "predict", "kind": "block", "title": "A — model i przewidywanie", "content_html": "

Najpierw rozrysuj EMPTY/FULL i kolejność M1–M3.

", "steps": [ { "id": "wait-lists", "title": "Wskaż dwa wait lists.", "content_html": "

Określ, które API blokuje task na EMPTY i FULL.

" }, { "id": "copy", "title": "Przewidź wynik mutacji.", "content_html": "

Zapisz wartość M2 przed uruchomieniem replay.

" } ] }, { "id": "replay", "kind": "block", "title": "B — replay Hazard3", "content_html": "

Każdy RUN rozpoczyna czystą RAM i kończy stabilnym checkpointem.

", "steps": [ { "id": "empty-full", "title": "Zbadaj E02 i E06.", "content_html": "

Porównaj occupancy oraz stan receivera/sendera.

" }, { "id": "byte-copy", "title": "Zbadaj E05 i E07.", "content_html": "

Porównaj source, queue storage i received M2.

" }, { "id": "finish", "title": "Zbadaj E08–E10.", "content_html": "

Sprawdź FIFO, bounded log i digest.

" } ] }, { "id": "pointer-contract", "kind": "exercise", "title": "Ćwiczenie — pointer payload", "content_html": "", "steps": [] } ] } ], "assets": [], "steps": [], "spread_group": "", "spread_label": "", "spread_columns": 1, "spread_index": 1, "spread_count": 1, "page_orientation": "portrait" } ], "viewpoints": [ { "id": "A1", "label": "CONTEXT", "subtitle": "Granice systemu", "status": "unavailable", "reason": "Granica aplikacja–kernel–Hazard3 pozostaje taka jak w FC03.", "target_id": "" }, { "id": "A2", "label": "STRUCTURE", "subtitle": "Message, Queue<1> i trzy taski", "status": "enabled", "target_label": "fig:a2-structure", "target_id": "fig-a2-structure" }, { "id": "A3", "label": "DISPATCH", "subtitle": "Callback ABI", "status": "unavailable", "reason": "Kolejka nie wprowadza nowego callbacku C.", "target_id": "" }, { "id": "A4", "label": "APPLICATION", "subtitle": "Konkretny eksperyment", "status": "unavailable", "reason": "Topologia eksperymentu jest kompletna w A2 i A5.", "target_id": "" }, { "id": "A5", "label": "FLOW", "subtitle": "E01–E10 i dwa wait lists", "status": "enabled", "target_label": "fig:a5-flow", "target_id": "fig-a5-flow" }, { "id": "A6", "label": "STATE", "subtitle": "EMPTY, FULL i handoff", "status": "enabled", "target_label": "fig:a6-state", "target_id": "fig-a6-state" }, { "id": "A7", "label": "RUNTIME", "subtitle": "Queue object, TCB, stos i storage", "status": "enabled", "target_label": "fig:a7-runtime", "target_id": "fig-a7-runtime" }, { "id": "A8", "label": "PATTERNS", "subtitle": "Value message kontra pointer ownership", "status": "enabled", "target_label": "fig:a8-patterns", "target_id": "fig-a8-patterns" } ], "has_spread": false, "has_allocator_model": false, "dictionary": null, "toc": [ { "id": "section-1-content", "label": "1. A2 — Structure" }, { "id": "section-2-content", "label": "2. A5 — Flow" }, { "id": "section-3-content", "label": "3. A6 — State" }, { "id": "section-4-content", "label": "4. A7 — Runtime" }, { "id": "section-5-content", "label": "5. A8 — Patterns" }, { "id": "section-6-task01", "label": "6. Task01 — queue i FIFO" } ] }